/Engine/Plugins/Runtime/CommonUI/Source/CommonUI/Public/CommonButtonBase.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Common Button|Input") void SetInputActionProgressMaterial ( const [FSlateBrush](API\Runtime\SlateCore\Styling\FSlateBrush) & InProgressMaterialBrush, const [FName](API\Runtime\Core\UObject\FName) & InProgressMaterialParam )